<table cellpadding="0" cellspacing="0" width="100%">
    <thead>
        <tr>
            <th>Email</th>
        </tr>
    </thead>
    <tbody>
        <?php
            if (!empty($subscribers)) {
                foreach ($subscribers as $key => $subscriber) {
        ?>
                    <tr>
                        <td><?php echo $subscriber['email'] ?></td>
                    </tr>
        <?php
                }
            }
        ?>
    </tbody>
</table>